Version 4
SHEET 1 880 680
WIRE -144 -128 -400 -128
WIRE 32 -128 -144 -128
WIRE 176 -128 32 -128
WIRE 528 -128 176 -128
WIRE 528 -64 528 -128
WIRE 176 -32 176 -128
WIRE -400 80 -400 -128
WIRE 32 80 32 -128
WIRE -144 96 -144 -128
WIRE 176 128 176 48
WIRE 176 128 96 128
WIRE 240 128 176 128
WIRE 400 128 304 128
WIRE 528 128 528 16
WIRE 528 128 480 128
WIRE 528 288 528 128
WIRE -144 336 -144 160
WIRE 32 336 32 176
WIRE 32 336 -144 336
WIRE 240 336 32 336
WIRE 464 336 320 336
WIRE 32 384 32 336
WIRE -400 512 -400 160
WIRE 32 512 32 464
WIRE 32 512 -400 512
WIRE 528 512 528 384
WIRE 528 512 32 512
WIRE 32 544 32 512
FLAG 32 544 0
SYMBOL pnp 96 176 R180
SYMATTR InstName Q1
SYMATTR Value BC557C
SYMBOL npn 464 288 R0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL res 512 -80 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res 336 320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 3k3
SYMBOL res 48 480 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL res 192 64 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 47k
SYMBOL res 384 144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL LED 240 144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value UPBLED-470B
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -160 96 R0
SYMATTR InstName C1
SYMATTR Value 10nf
SYMBOL voltage -400 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 13 1 1 1 2 0 1)
TEXT -434 568 Left 2 !.tran 0 22 0 0.001